Cipolline in Agrodolce

• 3 tbsp olive oil
• 800 g cipolline (small onions), peeled and soaked in water for 20 minutes

Preheat the oven to 160°C/Gas 3.

Pour the oil into an ovenproof dish and then fry the onions until they start to colour. Add the vinegar and wine and leave for a few minutes to allow some of the vinegar to evaporate. Sprinkle in the flour and mix well, then add the sugar and so